I think that an arms race mentality is a dangerous approach to engineering ethics. I would rather that the arms race of the Cold War have been avoided if it were possible, even if it meant one or both sides being willing to lag behind when it comes to ethically dangerous technology.
Do you have a citation for the supposition that Neanderthals are not legally human? I believe that the legal personhood of Neanderthals has not yet been established, and would likely have to go the Supreme Court. If legal personhood was denied to Neanderthals (homo sapiens neanderthalensis), would you say that it should be denied to mentally challenged homo sapiens sapiens as well?
I am Catholic and have no choice but to align with the Vatican. I am just trying to do the right thing no matter whether it's with the help of a national government, a religious authority, or simply individuals who want to do the right thing.
Please don't accuse me of not doing enough. I have invested 10 years of my salary into animal welfare companies and outrighted donated 2 years of my salary to other philanthropic organizations including medical and educational organizations. I'm just trying to do the best I can and there's not much more I can do.